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72250633 = 7135913457
BaseRepresentation
bin1000100111001…
…11010100001001
312000221201020101
410103213110021
5121444010013
611100325401
71535056150
oct423472411
9160851211
1072250633
1137868a74
1220243861
1311c79070
14984a597
1565228dd
hex44e7509

72250633 has 16 divisors (see below), whose sum is σ = 90437760. Its totient is φ = 56192256.

The previous prime is 72250627. The next prime is 72250637. The reversal of 72250633 is 33605227.

It is a cyclic number.

It is not a de Polignac number, because 72250633 - 29 = 72250121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72250637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360 + ... + 12097.

It is an arithmetic number, because the mean of its divisors is an integer number (5652360).

Almost surely, 272250633 is an apocalyptic number.

It is an amenable number.

72250633 is a deficient number, since it is larger than the sum of its proper divisors (18187127).

72250633 is a wasteful number, since it uses less digits than its factorization.

72250633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13536.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 72250633 is about 8500.0372352126. The cubic root of 72250633 is about 416.4989256179.

The spelling of 72250633 in words is "seventy-two million, two hundred fifty thousand, six hundred thirty-three".

Divisors: 1 7 13 59 91 413 767 5369 13457 94199 174941 793963 1224587 5557741 10321519 72250633